EP4546455A4 - Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carbone - Google Patents

Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carbone

Info

Publication number
EP4546455A4
EP4546455A4 EP22954624.7A EP22954624A EP4546455A4 EP 4546455 A4 EP4546455 A4 EP 4546455A4 EP 22954624 A EP22954624 A EP 22954624A EP 4546455 A4 EP4546455 A4 EP 4546455A4
Authority
EP
European Patent Office
Prior art keywords
silicon
composite material
carbon composite
manufacturing
well
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22954624.7A
Other languages
German (de)
English (en)
Other versions
EP4546455A1 (fr
Inventor
Kai Wu
Yuan Li
Xiaobin Dong
Zijian Lv
Liangbin Liu
Yuwei Qin
Jiazheng Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Hong Kong Ltd
Original Assignee
Contemporary Amperex Technology Hong Kong Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Contemporary Amperex Technology Hong Kong Ltd filed Critical Contemporary Amperex Technology Hong Kong Ltd
Publication of EP4546455A1 publication Critical patent/EP4546455A1/fr
Publication of EP4546455A4 publication Critical patent/EP4546455A4/fr
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/05Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/134Electrodes based on metals, Si or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/362Composites
    • H01M4/364Composites as mixtures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386Silicon or alloys based on silicon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/58Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624Electric conductive fillers
    • H01M4/625Carbon or graphite
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/40Electric properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/021Physical characteristics, e.g. porosity, surface area
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027Negative electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
EP22954624.7A 2022-08-12 2022-08-12 Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carbone Pending EP4546455A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/112206 WO2024031667A1 (fr) 2022-08-12 2022-08-12 Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carbone

Publications (2)

Publication Number Publication Date
EP4546455A1 EP4546455A1 (fr) 2025-04-30
EP4546455A4 true EP4546455A4 (fr) 2026-01-07

Family

ID=89850488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22954624.7A Pending EP4546455A4 (fr) 2022-08-12 2022-08-12 Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carbone

Country Status (4)

Country Link
US (1) US20250038176A1 (fr)
EP (1) EP4546455A4 (fr)
CN (1) CN117882228A (fr)
WO (1) WO2024031667A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4550450A4 (fr) * 2022-08-26 2025-11-19 Contemporary Amperex Technology Hong Kong Ltd Matériau composite silicium-carbone et son procédé de préparation, et accumulateur le comprenant
CN118032593B (zh) * 2024-04-10 2024-07-23 瑞浦兰钧能源股份有限公司 一种颗粒辊压粘结强度的评估方法
CN118458767A (zh) * 2024-05-07 2024-08-09 厦门厦钨新能源材料股份有限公司 一种利于硅沉积的多孔碳材料和硅碳负极材料及其制备方法和应用
CN121601602A (zh) * 2024-08-15 2026-03-03 宁德时代新能源科技股份有限公司 电池单体、硅碳复合材料及制备方法、电池装置及用电装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180097229A1 (en) * 2016-09-30 2018-04-05 Samsung Electronics Co., Ltd. Negative active material, lithium secondary battery including the material, and method of manufacturing the material
CN110546789A (zh) * 2017-02-10 2019-12-06 瓦克化学股份公司 用于锂离子电池的阳极材料的核-壳复合粒子
CN113097487A (zh) * 2021-04-01 2021-07-09 广东凯金新能源科技股份有限公司 一种高度致密结构硅碳复合材料、其制备方法及其应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103311523B (zh) * 2013-06-04 2017-02-08 清华大学深圳研究生院 具有纳米微孔隙的硅碳复合材料及其制备方法与用途
CN106207108B (zh) * 2016-07-09 2018-07-27 太原理工大学 基于高分子发泡微球的硅碳复合材料及其制备方法与应用
CN107134567A (zh) * 2017-04-24 2017-09-05 广东烛光新能源科技有限公司 硅碳负极材料及其制备方法
CN107069010A (zh) * 2017-04-24 2017-08-18 广东烛光新能源科技有限公司 一种硅碳负极材料及其制备方法
US11984580B2 (en) * 2019-05-06 2024-05-14 Honeycomb Battery Company Protected anode active material particles for rechargeable lithium batteries

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180097229A1 (en) * 2016-09-30 2018-04-05 Samsung Electronics Co., Ltd. Negative active material, lithium secondary battery including the material, and method of manufacturing the material
CN110546789A (zh) * 2017-02-10 2019-12-06 瓦克化学股份公司 用于锂离子电池的阳极材料的核-壳复合粒子
CN113097487A (zh) * 2021-04-01 2021-07-09 广东凯金新能源科技股份有限公司 一种高度致密结构硅碳复合材料、其制备方法及其应用

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024031667A1 *

Also Published As

Publication number Publication date
CN117882228A (zh) 2024-04-12
WO2024031667A1 (fr) 2024-02-15
US20250038176A1 (en) 2025-01-30
EP4546455A1 (fr) 2025-04-30

Similar Documents

Publication Publication Date Title
EP4546455A4 (fr) Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carbone
EP4550450A4 (fr) Matériau composite silicium-carbone et son procédé de préparation, et accumulateur le comprenant
EP3709406A4 (fr) Matériau actif d'anode, son procédé de préparation, et batterie secondaire au lithium et d'anode, qui comprennent un matériau actif d'anode
EP4354549A4 (fr) Matériau composite de lithium-manganèse-fer-phosphate multi-enveloppe à noyau unique et son procédé de préparation, ainsi que batterie rechargeable¿
EP4300631A4 (fr) Matériau d'électrode négative et procédé de préparation associé, et batterie au lithium-ion
EP4231379A4 (fr) Matériau silicium-oxygène, matériau d'électrode négative et son procédé de préparation, et batterie au lithium-ion
EP4266396A4 (fr) Plaque d'électrode et son procédé de préparation, et batterie au lithium-ion
EP4507107A4 (fr) Séparateur de batterie et son procédé de préparation, et batterie
EP4345947A4 (fr) Matériau d'électrode positive revêtu en surface et son procédé de préparation, et batterie au lithium-ion
EP4481858A4 (fr) Matériau composite ternaire pour batterie entièrement solide ainsi que son procédé de préparation et son application
EP4428948A4 (fr) Matériau composite pour batterie secondaire au lithium-ion, son procédé de préparation et son utilisation
EP4290615A4 (fr) Matériau d'électrode positive et son procédé de préparation, et batterie au lithium-ion
EP4379861A4 (fr) Nouveau matériau composite pour batterie au lithium secondaire, son procédé de préparation et son application
EP4428947A4 (fr) Matériau composite multicouche pour batterie secondaire au lithium-ion, son procédé de préparation et son utilisation
EP4345933A4 (fr) Électrode de batterie au lithium-ion et son procédé de préparation, et batterie au lithium-ion
EP3869587A4 (fr) Composition d'électrode, feuille d'électrode destinée à une batterie rechargeable entièrement solide et batterie rechargeable entièrement solide, et procédés de fabrication d'une composition d'électrode, d'une feuille d'électrode destinée à une batterie rechargeable entièrement solide et d'une batterie rechargeable entièrement solide
EP4394929A4 (fr) Matériau d'électrode positive et son procédé de préparation, matériau d'électrode positive composite, feuille d'électrode positive et batterie secondaire
EP4280314A4 (fr) Matériau d'électrode positive composite ainsi que son procédé de préparation et batterie au lithium-ion
EP4564570A4 (fr) Séparateur et son procédé de préparation, et batterie
DE602008000215D1 (de) Aktives Verbundanodenmaterial, Herstellungsverfahren dafür sowie Anode und Lithiumbatterie mit dem Material
EP4481850A4 (fr) Mélange silicium-carbone, son procédé de préparation et matériau actif d'anode et batterie secondaire au lithium le comprenant
EP3709409A4 (fr) Structure de couche microporeuse de pile à combustible et son procédé de préparation, et ensemble cathode de pile à combustible
EP4120415A4 (fr) Matériau d'emballage externe pour batteries entièrement solides, son procédé de production et batterie entièrement solide
EP4379856A4 (fr) Matériau actif d'anode multicouche, son procédé de fabrication, et batterie secondaire au lithium le comprenant
EP4531141A4 (fr) Matériau d'électrode positive et procédé de préparation associé, et batterie au lithium-ion

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20250121

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20251204

RIC1 Information provided on ipc code assigned before grant

Ipc: H01M 4/36 20060101AFI20251128BHEP

Ipc: H01M 10/0525 20100101ALI20251128BHEP